A Water level indicator is a simple electronic circuit that can indicate the level of any conductive, non-corrosive liquid contained in a vessel such as a reservoir, overhead/underhead tank, container, etc. So, in today’s tutorial, … Read more
uln2803
This project of water level indicator detects and indicates 8 different levels of water in a container. For this case, the circuit uses IC ULN2803 and 8 LEDs to represent each level. Hardware Required S.no … Read more
Water Level Indicator with IC ULN2803
This is a water pump controller circuit. This circuit works between 8 levels/Height of water container. In this case, the circuit contains two ICs, the timer IC NE555 and the 8-transistor Darlington pair IC ULN2803. … Read more
Water Level Indicator with Water Pump Motor Control
Introduction As the name implies, a water level indicator is a system that indicates certain levels of water or any liquid and is therefore utilized in so many places. For example, in industries, it can … Read more
Homemade Water Level Indicator
The ULN2803 Hi-Voltage Hi-Current Darlington NPN Darlington connected transistors in this family of the array is ideally suited for interfacing between low logic level digital circuitry (such as TTL, CMOS, or PMOS/NMOS) and the higher … Read more